A geophysical attempt to locate a potential cave in the near-vicinity of a water well at Anacacho Limestone setting, Medina County, TexasBy Mustafa Saribudak and Alf HawkinsEnvironmental Geophysics Associates, Austin, TexasAbstract Resistivity and natural potential (NP, also called self-potential) surveys were performed in the eastern part of Medina County, Texas. According to the geological data available, the Upper Cretaceous Anacacho limestone crops out at the study area.